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What's “P=NP?”, and why is it such a famous question? [closed]
...e set of symbols can be written and read. At any given time, the TM is in one of its states, and it is looking at a particular cell on the tape. Depending on what it reads from that cell, it can write a new symbol into that cell, move the tape one cell forward or backward, and go into a different ...
Detecting that the browser has no mouse and is touch-only
... classes of devices/use cases:
Mouse and keyboad (desktop)
Touch only (phone/tablet)
Mouse, keyboard, and touch (touch laptops)
Touch and keyboard (bluetooth keyboard on tablet)
Mouse only (Disabled user/browsing preference)
Keyboard only (Disabled user/browsing preference)
Touch and mouse (ie ho...
Getting a map() to return a list in Python 3.x
...eneralizations
UPDATE
Always seeking for shorter ways, I discovered this one also works:
*map(chr, [66, 53, 0, 94]),
Unpacking works in tuples too. Note the comma at the end. This makes it a tuple of 1 element. That is, it's equivalent to (*map(chr, [66, 53, 0, 94]),)
It's shorter by only one ...
How to migrate GIT repository from one server to a new one
...igrate is my repository. This server is listed as the origin (master) for one of my projects. What is the proper way to move the repository to keep the history.
...
How to calculate the number of days between two dates? [duplicate]
...
const oneDay = 24 * 60 * 60 * 1000; // hours*minutes*seconds*milliseconds
const firstDate = new Date(2008, 1, 12);
const secondDate = new Date(2008, 1, 22);
const diffDays = Math.round(Math.abs((firstDate - secondDate) / oneDay));...
Single Page Application: advantages and disadvantages [closed]
...
Let's look at one of the most popular SPA sites, GMail.
1. SPA is extremely good for very responsive sites:
Server-side rendering is not as hard as it used to be with simple techniques like keeping a #hash in the URL, or more recently HT...
Measuring elapsed time with the Time module
...age:
@profile
def your_function(...):
...
You can profile more then one function simultaneously. Then to print measurements just call the print_prof_data():
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urlencode vs rawurlencode?
...ther systems is important then it seems rawurlencode is the way to go. The one exception is legacy systems which expect the query string to follow form-encoding style of spaces encoded as + instead of %20 (in which case you need urlencode).
rawurlencode follows RFC 1738 prior to PHP 5.3.0 and RFC 3...
Why does one often see “null != variable” instead of “variable != null” in C#?
...@Benjol Don't forget to always supply an empty else { } clause in case someone needs to add something there later and forgets to write the else keyword themselves. (Joke)
– Jeppe Stig Nielsen
May 3 '13 at 21:42
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Uploading both data and files in one form using Ajax?
... submit data and files but I'm not sure how to send both data and files in one form?
10 Answers
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